Neodymium and samarium-Determination of carbon content-High frequency-Infrared absorption method GB/T 12690.13-1990 - Chinese Category:GB/T 12690.13-1990

English Title:	Neodymium and samarium-Determination of carbon content-High frequency-Infrared absorption method
Chinese Title:	稀土金属及其氧化物化学分析方法高频-红外吸收法测定金属钕、金属钐中碳量
Standard No.:	GB/T 12690.13-1990
Category No.:	H14
Issued by:
Issued on:	1990-12-30
Implemented on:	1992-1-1
Status:	superseded
Superseded by:	GB/T 12690.3-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides-Determination of water content of rare earth oxides-Gravimetric method GB/T 12690.1-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides-Determination of carbon and sulfur contents-High frequency-infrared absorptoin method
Superseded on:	2003-6-1
Abolished on:	2003-06-01
Superseding:
Word Count:	1000 words
Similar Standards:	YS/T 230.1-1994 YS/T 230.3-1994 GB/T 16480.1-1996 YS/T 230.5-1994 GB/T 16480.4-1996 YS/T 230.6-1994 GB/T 18115.7-2000 GB/T 18115.10-2000 YS/T 230.2-1994 GB 11074.2-1989 YS/T 230.7-1994 GB/T 18115.8-2000 GB/T 18116.2-2000 YB 1503-1977 GB/T 18115.2-2000 YS/T 474-2005 GB/T 18115.6-2000 GB/T 18115.5-2000 GB/T 18115.4-2000 YS/T 230.4-1994

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